Merge pull request #9787 from TheMelmacian/feature/language_filters

New filters for audio and subtitle languages

MediaBrowser.Controller/Entities/InternalItemsQuery.cs

@@ -58,6 +58,8 @@ namespace MediaBrowser.Controller.Entities
             VideoTypes = [];
             Years = [];
             SkipDeserialization = false;
+            AudioLanguages = [];
+            SubtitleLanguages = [];
         }
 
         public InternalItemsQuery(User? user)
@@ -387,6 +389,10 @@ namespace MediaBrowser.Controller.Entities
 
         public bool IncludeExtras { get; set; }
 
+        public IReadOnlyList<string> AudioLanguages { get; set; }
+
+        public IReadOnlyList<string> SubtitleLanguages { get; set; }
+
         public void SetUser(User user)
         {
             var maxRating = user.MaxParentalRatingScore;

MediaBrowser.Controller/Library/ILibraryManager.cs

@@ -784,5 +784,12 @@ namespace MediaBrowser.Controller.Library
         /// <param name="query">The query filter.</param>
         /// <returns>Aggregated filter values.</returns>
         QueryFiltersLegacy GetQueryFiltersLegacy(InternalItemsQuery query);
+
+        /// <summary>
+        /// Gets a list of all language codes of the provided stream type.
+        /// </summary>
+        /// <param name="mediaStreamType">The stream type.</param>
+        /// <returns>List of language codes.</returns>
+        IReadOnlyList<string> GetMediaStreamLanguages(MediaStreamType mediaStreamType);
     }
 }

MediaBrowser.Controller/Persistence/IMediaStreamRepository.cs

@@ -21,6 +21,13 @@ public interface IMediaStreamRepository
     /// <returns>IEnumerable{MediaStream}.</returns>
     IReadOnlyList<MediaStream> GetMediaStreams(MediaStreamQuery filter);
 
+    /// <summary>
+    /// Gets all language codes of the provided stream type.
+    /// </summary>
+    /// <param name="mediaStreamType">The type of the media stream.</param>
+    /// <returns>IEnumerable{string}.</returns>
+    IReadOnlyList<string> GetMediaStreamLanguages(MediaStreamType mediaStreamType);
+
     /// <summary>
     /// Saves the media streams.
     /// </summary>